Common ratio of G.P am-n, am, am+n.........is
am
a-m
an
a-n
The sequence an = 2n + 1 is an A.P Then the common difference is
5
7
3
2
The sum (m + n)th term and (m - n)th terms of an A.P is equal to twice the
nthterm
mthterm
(m - 1)term
n + 1 term
Which term of the A.P -1, 3, 7, 11........is 91?
25th term
91th term
100th term
24th term
How many terms are in the sequence 5, 8, 11..........47?
47
15
16
20
The 10th common term between the series 3+7+11+................ and 1+6+11+----- is
191
193
211
None of these.
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
If the sum of 3 numbers in A.P is 24 and their product is 440, then the numbers are
5, 8, 11
6, 9, 12
7, 10, 13
4, 8, 12
Next term in the series 3/16 + 1/18 + 1/12 +.........is
1/24
1/27
1/18
1/29
There are 15 terms in an A.P. Its first term is 5 and common difference is 3, then its middle term is
8
26
29
9